FAILURE DIAGNOSING DEVICE, FAILURE DIAGNOSING SYSTEM, FAILURE DIAGNOSING METHOD, AND FAILURE DIAGNOSING PROGRAM

摘要

A failure diagnosing device 80 is provided with an input unit 81 and a generating unit 82. The input unit 81 accepts input of observed data relating to a vehicle operating at a prescribed speed. The generating unit 82 extracts time-series features of the observed data as features representing a normal state, and generates a feature master representing the normal state of the vehicle on the basis of the extracted features.